//
//  ViewClickEffect.m
//  JomooCloudApp
//
//  Created by sunny on 2020/4/2.
//

#import "ViewClickEffect.h"

@interface ViewClickEffect ()
@property(nonatomic, unsafe_unretained) CGFloat oldAlpha;
@end
 
@implementation ViewClickEffect
- (void)awakeFromNib {
  [super awakeFromNib];
  [self commonInit];
}
 
- (instancetype)init {
  if (self = [super init]) {
    [self commonInit];
  }
  return self;
}
 
- (instancetype)initWithCoder:(NSCoder *)coder {
  self = [super initWithCoder:coder];
  if (self) {
    [self commonInit];
  }
  return self;
}
 
- (instancetype)initWithFrame:(CGRect)frame {
  self = [super initWithFrame:frame];
  if (self) {
    [self commonInit];
  }
  return self;
}
 
- (void)commonInit {
  self.oldAlpha = self.alpha;
}
 
- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
  [super touchesBegan:touches withEvent:event];
  self.alpha = self.oldAlpha * 0.8;
}
 
- (void)touchesEnded:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
  [super touchesEnded:touches withEvent:event];
  self.alpha = self.oldAlpha;
}
 
- (void)touchesCancelled:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
  [super touchesCancelled:touches withEvent:event];
  self.alpha = self.oldAlpha;
}
 
- (void)touchesMoved:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
  [super touchesCancelled:touches withEvent:event];
    
}
 
@end
